window.onload=funBanner;
  function funBanner(){
	var obj=document.getElementsByTagName('body')[0].getElementsByTagName('div')[0],divObj=de('main');
	var createObj=document.createElement('div');
	var newObj=obj.insertBefore(createObj,divObj);
	var newObjStyle={
		clear:'both',
		marginTop:'10px',
		textAlign:'center'
	}
	for(var i in newObjStyle){
		newObj.style[i]=newObjStyle[i];	
	}
	newObj.innerHTML='<a href=http://www.zongyi.com.cn/factory/><img src=http://www.zongyi.com.cn/images/banner.jpg width=769/></a>';
}